1.14.13.44	-	
1.14.13.44	native and recombinant enzyme	
1.14.13.44	recombinant enzyme	
1.14.13.44	recombinant HbpA	
1.14.13.44	recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and dialysis